Tenders for Supply of Cylindrical Roller Bearing Of Skf Designation Nu 311 With C3 Clearance Of Dimension 55 Mm Bore X 120Mm Osd X 29Mm Width, Pressed Steel Cage Of Rdso Approved Makes In Original Sealed Cartoons From Oems Or Their Authorised Dealers Only Acceptable..Following Makes For Use In 4.5Kw Brushless Alternator As Per Bill Of Materials In Rdso Specification.No.Rdso/Pe/Spec/Tl/0054-2003 Rev.0 With Amen Dment No.1 & 2 . 1 Nsd/Japan. 2. Skf/Germany/Austria. 3 Fag/Germany/India.